Home / 66,943.51-100,345.19-22,554.92

Finding the Fourth Proportional to 66,943.51, 100,345.19 and 22,554.92

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Solution

The fourth proportional to 66,943.51, 100,345.19 and 22,554.92 is: 33,808.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,943.51 : 100,345.19 = 22,554.92 : x
  2. Step 2: Convert to fraction form
    66,943.51/100,345.19 = 22,554.92/x
  3. Step 3: Cross multiply
    66,943.51x = 100,345.19 × 22,554.92
  4. Step 4: Simplify right side
    66,943.51x = 2,263,277,870.92
  5. Step 5: Solve for x
    x = 2,263,277,870.92/66,943.51
  6. Step 6: Final answer
    x = 33,808.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.